document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=725032>Question 725032</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The manager of a coffee shop has one type of coffee that sells for $6 per pound and another type that sells for $15 per pound. The manager wishes to mix 70 pounds of the $15 coffee to get a mixture that will sell for $12 per pound. How many pounds of the $6 coffee should be used? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #443935 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=443935\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ASSIGN VARIABLES<BR>\n" );
document.write( "u= UNKNOWN, how many pounds of $6/pound coffee<BR>\n" );
document.write( "v= 70, the number of pounds of $15/pound coffee<BR>\n" );
document.write( "L= $6/pound<BR>\n" );
document.write( "H= $15/pound<BR>\n" );
document.write( "T= $12/pound WANTED\r<BR>\n" );
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document.write( "WRITE EQUATIONS FOR THE SITUATION<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28%28uL%2BvH%29%2F%28u%2Bv%29=T%29 ALIGN=MIDDLE  ALT=\"highlight%28%28uL%2BvH%29%2F%28u%2Bv%29=T%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Solve for u, and then substitute known or given values to evaluate.\r<BR>\n" );
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document.write( "SOLVING FOR u<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=uL%2BvH=T%28u%2Bv%29 ALIGN=MIDDLE  ALT=\"uL%2BvH=T%28u%2Bv%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=uL%2BvH=Tu%2BTv ALIGN=MIDDLE  ALT=\"uL%2BvH=Tu%2BTv\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=uL-Tu=-vH%2BTv ALIGN=MIDDLE  ALT=\"uL-Tu=-vH%2BTv\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=u%28L-T%29=Tv-vH ALIGN=MIDDLE  ALT=\"u%28L-T%29=Tv-vH\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=u%28L-T%29=v%28T-H%29 ALIGN=MIDDLE  ALT=\"u%28L-T%29=v%28T-H%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, multiply both members by (-1) because of the order of L, T, and H<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=u%28T-L%29=v%28H-T%29 ALIGN=MIDDLE  ALT=\"u%28T-L%29=v%28H-T%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28u=v%28H-T%29%2F%28T-L%29%29 ALIGN=MIDDLE  ALT=\"highlight%28u=v%28H-T%29%2F%28T-L%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, the formula for u.\r<BR>\n" );
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document.write( "SUBSTITUTE VALUES<BR>\n" );
document.write( "The final computation using the known or given values is left undone, for you to do. </SPAN>\n" );
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